JIRA REST API how to add attachment using c#

Question

I am using jira api to add attachment to the issue

According to documentation i have set few things.

submit a header of X-Atlassian-Token: nocheck with the request.
The name of the multipart/form-data parameter that contains attachments must be "file".
resource expects a multipart post.

& when i run my code i get internal server error.

my code is as follows

string postUrl = "http://localhost:8080/rest/api/latest/issue/TES-99/attachments";
System.Net.Http.HttpClient client = new System.Net.Http.HttpClient(); 
client.DefaultRequestHeaders.Add("X-Atlassian-Token", "nocheck");
client.BaseAddress = new System.Uri(postUrl);
byte[] cred = UTF8Encoding.UTF8.GetBytes(credentials);
client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(cred));
var content = new MultipartFormDataContent();
var values = new[]
{
    new KeyValuePair<string, string>("file", "e:\\z.txt")               
};
foreach (var keyValuePair in values)
{
    content.Add(new StringContent(keyValuePair.Value), keyValuePair.Key);
}
            
var result = client.PostAsync(postUrl, content).Result;

please suggest where i am making mistake

MD. Khairul Basar · Accepted Answer · 2020-11-13 10:25:53Z

4

I solved this too. now i am able to add attachment using JIRA API with C#.

i was making mistake with this piece of code.

var values = new[]
{
    new KeyValuePair<string, string>("file", "e:\\z.txt")               
};

foreach (var keyValuePair in values)
{
    content.Add(new StringContent(keyValuePair.Value), keyValuePair.Key);
}

this is my code.

string postUrl = "http://localhost:8080/rest/api/latest/issue/" + projKey + "/attachments";
      
System.Net.Http.HttpClient client = new System.Net.Http.HttpClient();

client.DefaultRequestHeaders.Add("X-Atlassian-Token", "nocheck");
client.BaseAddress = new System.Uri(postUrl);
byte[] cred = UTF8Encoding.UTF8.GetBytes(credentials);
client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(cred));
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));                                                     
MultipartFormDataContent content = new MultipartFormDataContent();

**//The code which solved the problem**  

HttpContent fileContent = new ByteArrayContent(File.ReadAllBytes(filePath));
fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse(mimeType);
content.Add(fileContent, "file",fileName);
var result = client.PostAsync(postUrl, content).Result;

edited Nov 13, 2020 at 10:25

MD. Khairul Basar

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answered Jul 24, 2014 at 13:57

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2 Comments

muruge Over a year ago

This worked. But your code is missing the 'mimeType' variable declaration. It should be string mimeType = System.Web.MimeMapping.GetMimeMapping(fileName);

Learner Over a year ago

Sorry , This I did long time ago :). was not able to relate when I did that. Thanks for pointing out that I missed it here. but I am sure I have used this im my original code

Dharman · Accepted Answer · 2020-12-21 13:05:11Z

This is my working code.

   [HttpPost]
   public async Task<IActionResult> CreateTicketWithAttachent(IFormFile file, [FromQuery] string issuekey)
    {
        try
        {
            string url = $"http://jiraurl/rest/api/2/issue/{issuekey}/attachments";
            var client = new HttpClient();
            var header = new AuthenticationHeaderValue("Basic", "your-auth-key");
            client.DefaultRequestHeaders.Accept.Clear();
            client.DefaultRequestHeaders.Authorization = header;
            client.DefaultRequestHeaders.Add("X-Atlassian-Token", "no-check");

            MultipartFormDataContent multiPartContent = new MultipartFormDataContent("-data-");

            ByteArrayContent byteArrayContent;
            using (var ms = new MemoryStream())
            {
                file.CopyTo(ms);
                var fileBytes = ms.ToArray();
                //string fileString = Convert.ToBase64String(fileBytes);
                byteArrayContent = new ByteArrayContent(fileBytes);
            }

            multiPartContent.Add(byteArrayContent, "file", file.FileName);

            var response = await client.PostAsync(url, multiPartContent);

            var result = response.Content.ReadAsStringAsync().Result;

            if (response.StatusCode != System.Net.HttpStatusCode.OK)
                throw new Exception(result);

            return Ok();
        }
        catch (Exception e)
        {
            return BadRequest(e);               
        }
    }

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